Algebra
posted by sharon .
Will be the graphs of each of these equations be perpendicular.
1.y=7x9
slope=7
yintercept=9
2.3y=21x+7
y=7x(7/3)
slope=7
yintercept=(7/3)

Algebra 
Steve
They are perpendicular if the product of their slopes is 1.
So, is (7)(7) = 1 ?
Respond to this Question
Similar Questions

Slopes
Given y = 2x – 4, choose the statement that accurately describes this line. The slope is 2 and the y intercept is 4. The slope is 2 and the y intercept is 4. The slope is 4 and the y intercept is 2. The slope is 4 and they y intercept … 
MATH
Please help me!!!!!!!!!!!!!!!1 Instructions a. If needed, rewrite the following equations in slopeintercept form. * b. Indicate the slope and the yintercept for each of the equations. c. Using graph paper and a straight edge, graph … 
math
How do you solve this problem? Find the slopeintercept equation of the line that has the given characteristics. Slope 8 and yintercept (0,5) The slopeintercept equations is y= 
Math
For the equation y = 6x, what is the slope and y intercept? 
algebra
What is the slope and yintercept of the line represented by the equation below? 
Algebra
I have an assignment that asks me to write an equation in slopeintercept, pointslope, or standard form for the information given and to explain why the chosen form would be best. Below is the information given. 1. passing through … 
Algebra
I really don't understand what I am doing. Needing help! With graphing, tell whether the graphs of each pair of equations of each pair of equations are perpendicular. 1.y=7x9 2.3y=21x+7 slope=7 y=7x(7/3) yintercept=9 slope=7 … 
PreCalculus
help please Identify the slope and intercept of the following linear equation. y=3/7x5 Slope: 3/7; intercept: 5 Slope: 5; intercept: 3/7 Slope: 5; intercept: 3/7 Slope: 3/7; intercept: 5 
math  slopeintercept
How do I write one equations in slopeintercept form, and three other lines in slopeintercept form that are perpendicular to the first line ? 
Algebra
Write the equation in slopeintercept form. What are the slop and yintercept?